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Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Entity Address, Address Line Two Entity Address, Address Line Two Net income (loss) Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Commercial paper Commercial Paper, Not Included with Cash and Cash Equivalents [Member] Current assets: Assets, Current [Abstract] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Right-of-use assets obtained in exchange for operating lease obligations Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Vested (in USD per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Provision for income taxes Income tax expense (benefit) Income Tax Expense (Benefit) Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Charge-offs and other adjustments Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff Accrued transaction losses, beginning of the period Accrued transaction losses, end of the period Loss Contingency, Accrual, Current Statement [Table] Statement [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Certificates of deposit Certificates of Deposit [Member] Federal Funds Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Foreign currency translation and other adjustments Finite-Lived Intangible Assets, Foreign Currency Translation Gain (Loss) And Other Adjustments Finite-Lived Intangible Assets, Foreign Currency Translation Gain (Loss) And Other Adjustments Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Loans held for sale Loan, Held-for-Sale, Fair Value Disclosure Stock options, restricted stock, and employee stock purchase plan Share-Based Payment Arrangement [Member]